Portland Natural Gas Transmission System

Second Revised Volume No. 1

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Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 210 Original Sheet No. 210 : Effective

2.2 Park and Loan Service available under this Rate Schedule includes:

(a) Parking Service. Parking service shall consist of (i)

Transporter's receipt of a Parked Quantity of gas from Shipper at the

Parking Point specified in Shipper's nomination, (ii) Transporter holding

such Parked Quantities on Transporter's system, and (iii) Transporter's

subsequent return of the Parked Quantity to Shipper, or for Shipper's

account, at the Parking Point.

(b) Loan Service. Loan Service shall consist of (i)

Transporter's advancement of Loaned Quantity of gas to Shipper (up to the

Maximum Loaned Quantity specified in Shipper's Park and Loan Service Contract,

at the point(s) specified in Shipper's nomination); and (ii) Shipper's

subsequent return of the Loaned Quantity and Transporter's acceptance of such

quantity for Shipper's account at the Loan Point.

2.3 Subject to the availability of capacity, any Receipt or Delivery

Point on Transporter's system may be nominated as a Parking Point or Loan

Point.

3. ACCOUNT BALANCES; TRANSPORTATION; ASSIGNMENTS

3.1 Transporter shall establish an account for each Shipper using this

service which reflects the Parked Quantity at each Parking Point and the Loan

Quantity at each Loan Point. Whenever Transporter receives Parked Quantity

from or delivers Loaned Quantity to a Shipper the quantities received or

delivered will be reflected in the Shipper's account, as appropriate, for the

Parking or Loan Point at which they were received or delivered. When a Parked

Quantity or Loaned Quantity is returned, Transporter will credit the Shipper's

account to reflect the transaction.

3.2 Transporter shall return Parked Quantity and accept return of

Loaned Quantity only at the Parking Point where Shipper parked the Parked

Quantity, or the Loan Point where Transporter advanced the Loaned Quantity to

Shipper.

3.3 In the event that Shipper wishes to move a Parked Quantity or

Loaned Quantity from one Parking or Loan Point to another Parking or Loan

Point on Transporter's system, Shipper shall be responsible for arranging such

transportation in accordance with the provisions of Rate Schedule FT or IT and

the General Terms and Conditions.

3.4 Shippers may assign between themselves Parked Quantity and Loaned

Quantity in accordance with the provisions of the Park and Loan Service

Contract, provided that (i) the Shipper obtaining such quantities complies

with the Tariff, and (ii) each Shipper submits the appropriate nomination to

Transporter in accordance with the provisions of Section 7 of this Tariff.

Transporter will assess all applicable transportation charges for such

transactions.